
public class Calculator implements CalculatorInterface {
	
	@Override
	public double add(double x, double y){
		
		return x+y;
	}
	
	@Override
	public double subtract(double x, double y){
		
		return x-y;
	}
	
	@Override
	public double multiply(double x, double y){
		
		return x*y;
	}

	@Override
	public double divide(double x, double y){
	
	return x/y;
	}

}
